133033534 has 16 divisors (see below), whose sum is σ = 211944816. Its totient is φ = 62409600.

The previous prime is 133033501. The next prime is 133033543. The reversal of 133033534 is 435330331.

It is a junction number, because it is equal to n+sod(n) for n = 133033499 and 133033508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5344 + ... + 17164.

It is an arithmetic number, because the mean of its divisors is an integer number (13246551).

Almost surely, 2^133033534 is an apocalyptic number.

133033534 is a deficient number, since it is larger than the sum of its proper divisors (78911282).

133033534 is a wasteful number, since it uses less digits than its factorization.

133033534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12171.

The product of its (nonzero) digits is 4860, while the sum is 25.

The square root of 133033534 is about 11534.0163863244. The cubic root of 133033534 is about 510.4897691600.

Adding to 133033534 its reverse (435330331), we get a palindrome (568363865).

The spelling of 133033534 in words is "one hundred thirty-three million, thirty-three thousand, five hundred thirty-four".